长期人为干扰对桂西北喀斯特草地土壤微生物多样性及群落结构的影响

裴广廷, 孙建飞, 贺同鑫, 胡宝清

Effects of long-term human disturbances on soil microbial diversity and community structure in a karst grassland ecosystem of northwestern Guangxi, China

PEI Guang-Ting, SUN Jian-Fei, HE Tong-Xin, HU Bao-Qing

表3 不同干扰方式对土壤微生物群落结构影响的多元方差分析结果

Table 3 Results of Adonis analysis for the effects of different disturbances on microbial community structures

干扰方式 Disturbance 细菌 Bacteria 真菌 Fungi F p F p 封育-火烧 Enclosure-Burning 11.10 0.003 3.28 0.002 封育-刈割 Enclosure-Mowing 11.10 0.004 2.00 0.002 封育-刈割除根 Enclosure-Mowing plus root removal 5.82 0.004 3.19 0.003 火烧-刈割 Burning-Mowing 2.16 0.004 1.30 0.138 火烧-刈割除根 Burning-Mowing 1.46 0.153 1.61 0.061 刈割-刈割除根 Mowing-Mowing plus root removal 2.94 0.003 1.68 0.036 中坡位-下坡位 Middle slope position-Lower slope position 1.90 0.070 2.17 0.003